Workpiece self-centering supporting frame for honing machine tool

Abstract

The invention belongs to the technical field of machine tool accessories, and particularly relates to a workpiece self-centering support frame for a honing machine tool, which comprises a fixed seat and a first workpiece limiting support seat, the first workpiece limiting supporting seat is connected to the fixing seat in a sliding mode through a supporting seat driving sliding mechanism so that the first workpiece limiting supporting seat can slide up and down in a reciprocating mode, at least one swing centering arm is arranged on one side of the fixing seat in the width direction, the lower end of the swing centering arm is hinged to the fixing seat, and the upper end of the swing centering arm is a contact centering end. An arc-shaped guide hole is formed in the swing centering arm, a guide column matched with the arc-shaped guide hole is arranged on the first workpiece limiting supporting base, and the swing centering arm is driven to swing in a reciprocating mode through sliding fit of the guide column and the arc-shaped guide hole. According to the workpiece self-centering supporting frame for the honing machine tool, self-centering supporting can be achieved, and the workpiece self-centering supporting frame for the honing machine tool has the advantages of being simple in structure, low in cost and the like and can be used as a substitute in machining of some machine tools.

Description

Technical Field

[0001] The invention belongs to the technical field of machine tool accessories, and in particular relates to a workpiece self-centering support frame for a honing machine tool. Background Art

[0002] The lathe workpiece self-centering support frame can also be called the lathe support center frame, which is a support mechanism that can achieve self-centering;

[0003] In the prior art, most self-centering support frames are hydraulic self-centering support frames. This type of self-centering support frame has a relatively complex structure, high cost and high precision. However, some mechanical processing fields do not necessarily require self-centering support frames with very high precision. Therefore, how to develop a self-centering support frame with a simple structure and low cost is one of our research and development directions. Summary of the invention

[0004] The invention provides a workpiece self-centering support frame for a honing machine tool, which can solve the problems pointed out in the background technology.

[0005] A workpiece self-centering support frame for a honing machine tool comprises a fixed seat (1) and a first workpiece limiting support seat (2); the first workpiece limiting support seat (2) is slidably connected to the fixed seat (1) through a support seat driving sliding mechanism so that it can slide reciprocatingly up and down, at least one swing centering arm (3) is provided on one side in the width direction of the fixed seat (1), the lower end of the swing centering arm (3) is hingedly connected to the fixed seat (1), and the upper end of the swing centering arm (3) is a contact centering end (31), an arc-shaped guide hole (32) is provided on the swing centering arm (3), and a guide column (21) matched with the arc-shaped guide hole (32) is provided on the first workpiece limiting support seat (2), and the swing centering arm (3) is driven to swing reciprocatingly through the sliding cooperation between the guide column (21) and the arc-shaped guide hole (32), so as to realize the synchronous associated movement between the first workpiece limiting support seat (2) and the swing centering arm (3), so as to realize automatic centering;

[0006] Both sides of the fixing seat (1) in the thickness direction are provided with swing centering arms (3), and the upper part of the first workpiece limiting support seat (2) is detachably connected to the second workpiece limiting support seat (4);

[0007] The support seat driving sliding mechanism comprises a lifting screw (51), a screw sleeve (52) and a driving assembly for driving the lifting screw (51) to lift and lower; the first workpiece limiting support seat (2) is connected to the upper end of the lifting screw (51); and the fixed seat (1) is provided with a screw sleeve (52) that cooperates with the lifting screw (51);

[0008] The drive assembly comprises a drive input gear (53), the screw sleeve (52) is provided with a bevel gear (54) matched with the drive input gear (53), the screw sleeve (52) is rotatably connected to the fixed seat (1), and the drive input gear (53) is rotatably connected to the fixed seat (1).

[0009] Preferably, the first workpiece limiting support seat (2) is a "V"-shaped limiting support seat.

[0010] Preferably, the second workpiece limiting support seat (4) comprises support frames symmetrically arranged on both sides, and the support frames on both sides form a "V"-shaped limit.

[0011] Preferably, the swing centering arm (3) is an "S"-shaped swing centering arm, the lower end of which is hingedly connected to the fixed seat (1) via a rotating shaft, and the contact centering end (31) is an arc-shaped contact centering end.

[0012] Preferably, a handle is connected to the input end of the drive input gear.

[0013] Beneficial effects: The present invention provides a workpiece self-centering support frame for a honing machine tool, which can achieve self-centering support and has the advantages of simple structure and low cost, and can be used as a substitute in some machine tool processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the structure of the present invention Figure 1 ,

[0015] Figure 2 A schematic diagram of the structure of the present invention Figure 2 ,

[0016] Description of reference numerals:

[0017] Numbers in the figure: fixed seat 1; first workpiece limit support seat 2; guide column 21; swing centering arm 3; contact centering end 31; arc guide hole 32; second workpiece limit support seat 4; lifting screw 51; screw sleeve 52; drive input gear 53; bevel gear 54; handle 55; smaller diameter workpiece 6; smaller diameter workpiece 7. DETAILED DESCRIPTION

[0018] A specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific implementation.

[0019] Embodiment 1:

[0020] like Figure 1As shown, a workpiece self-centering support frame for a honing machine tool comprises a fixed seat 1 and a first workpiece limit support seat 2; the fixed seat 1 is used to be fixed on the machine tool, specifically, the first workpiece limit support seat 2 can be a "V"-shaped limit support seat, used to support and limit the workpiece, the first workpiece limit support seat 2 is slidably connected to the fixed seat 1 through a support seat driving sliding mechanism, so that it can slide back and forth up and down, and at least one swing centering arm 3 is provided on one side in the width direction of the fixed seat 1, the lower end of the swing centering arm 3 is hingedly connected to the fixed seat 1, and the upper end of the swing centering arm 3 is a contact centering end 31, and an arc guide hole 32 is provided on the swing centering arm 3, and the first workpiece limit support seat 2 is provided with a guide column 21 that cooperates with the arc guide hole 32, and the swing centering arm 3 is driven to swing back and forth through the sliding cooperation between the guide column 21 and the arc guide hole 32, so as to realize the synchronous and associated movement between the first workpiece limit support seat 2 and the swing centering arm 3 to realize automatic centering.

[0021] Specifically, the swing centering arm 3 is an "S"-shaped swing centering arm, the lower end of which is hingedly connected to the fixed seat 1 through a rotating shaft, and the contact centering end 31 is an arc-shaped contact centering end. During self-centering, the arc-shaped contact centering end is tangent to the workpiece. At this time, the machining center of the workpiece and the machining center of the machine tool are on the same axis. The curvature of the arc guide hole 32 can be formed by centering several workpieces of different diameters and connecting several points by drawing lines.

[0022] Specifically, the support seat driving sliding mechanism includes a lifting screw 51, a screw sleeve 52 and a driving component for driving the lifting screw 51 to rise and fall. The first workpiece limiting support seat 2 is connected to the upper end of the lifting screw 51, and the fixed seat 1 is provided with a screw sleeve 52 that cooperates with the lifting screw 51. The driving component includes a driving input gear 53. The screw sleeve 52 is provided with a bevel gear 54 that cooperates with the driving input gear 53. The lower end of the screw sleeve 52 is rotatably connected to the fixed seat 1 through a bearing, and the driving input gear 53 is rotatably connected to the fixed seat 1. A handle 55 is connected to the input end of the driving input gear 53 to realize manual drive, and a reduction motor can also be set to realize electric drive.

[0023] In some embodiments, swinging centering arms 3 are provided on both sides of the fixed seat 1 in the thickness direction, and the second workpiece limiting support seat 4 is detachably connected to the top of the first workpiece limiting support seat 2, and the detachable connection can be achieved by bolt connection to adapt to workpieces with large diameter differences. The smaller diameter workpiece 6 is supported and limited by the second workpiece limiting support seat 4, and the swinging centering arm 3 on one side moves synchronously with the second workpiece limiting support seat 4 to achieve automatic centering; when the workpiece 7 is larger in diameter, the second workpiece limiting support seat 4 needs to be removed, and the swinging centering arm 3 on the other side moves synchronously with the first workpiece limiting support seat 2 to achieve automatic centering.

[0024] Specifically, the second workpiece limiting support seat 4 includes supporting frames symmetrically arranged on both sides, and the supporting frames on both sides form a "V"-shaped limit.

[0025] The above disclosures are only several specific embodiments of the present invention. However, the embodiments of the present invention are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A workpiece self-centering support frame for a honing machine tool, comprising a fixed seat (1) and a first workpiece limiting support seat (2); characterized in that: The first workpiece limit support seat (2) is slidably connected to the fixed seat (1) through a support seat driving sliding mechanism so that it can slide reciprocatingly up and down. At least one swing centering arm (3) is provided on one side of the width direction of the fixed seat (1). The lower end of the swing centering arm (3) is hingedly connected to the fixed seat (1), and the upper end is a contact centering end (31). The swing centering arm (3) is provided with an arc guide hole (32). The first workpiece limit support seat (2) is provided with a guide column (21) that cooperates with the arc guide hole (32). The swing centering arm (3) is driven to swing reciprocatingly through the sliding cooperation between the guide column (21) and the arc guide hole (32), thereby realizing synchronous and associated movement between the first workpiece limit support seat (2) and the swing centering arm (3) to realize automatic centering. Both sides of the fixing seat (1) in the thickness direction are provided with swing centering arms (3), and the upper part of the first workpiece limiting support seat (2) is detachably connected to the second workpiece limiting support seat (4); The support seat driving sliding mechanism comprises a lifting screw (51), a screw sleeve (52) and a driving assembly for driving the lifting screw (51) to lift and lower; the first workpiece limiting support seat (2) is connected to the upper end of the lifting screw (51); and the fixed seat (1) is provided with a screw sleeve (52) that cooperates with the lifting screw (51); The drive assembly comprises a drive input gear (53), the screw sleeve (52) is provided with a bevel gear (54) matched with the drive input gear (53), the screw sleeve (52) is rotatably connected to the fixed seat (1), and the drive input gear (53) is rotatably connected to the fixed seat (1).

2. A workpiece self-centering support frame for a honing machine tool according to claim 1, characterized in that: The first workpiece limiting support seat (2) is a "V"-shaped limiting support seat.

3. The workpiece self-centering support frame for a honing machine tool according to claim 1, characterized in that: The second workpiece limiting support seat (4) comprises support frames symmetrically arranged on two sides, and the support frames on both sides form a "V"-shaped limit.

4. The workpiece self-centering support frame for a honing machine tool according to claim 1, characterized in that: The swing centering arm (3) is an "S"-shaped swing centering arm, the lower end of which is hingedly connected to the fixing seat (1) via a rotating shaft, and the contact centering end (31) is an arc-shaped contact centering end.

5. The workpiece self-centering support frame for a honing machine tool according to claim 1, characterized in that: The input end of the driving input gear (53) is connected to a handle (55).

Images